Water soluble polyamines and process for their preparation

Details Water soluble polyamines and process for their preparation Water soluble polyamines and process for their preparation

1985-08-29

1986-06-17

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253292, 5253293, 525345, 525346, 525354, 525382, 526310, C08F 832

Patent

active

045957312

ABSTRACT:
Water soluble polyamines useful as flocculating agents are prepared by reaction of acrylonitrile polymers in solution with dialkylaminoalkylamines using ammonium polysulfide as catalyst.

REFERENCES:
patent: 4013710 (1977-03-01), Skillicorn
patent: 4041006 (1977-08-01), Fong et al.
patent: 4254250 (1981-03-01), Glowaky et al.
patent: 4304888 (1983-12-01), Calvert et al.

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